{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "protein", "cell type"], "input": "Electrophoretically purified p50 alone can form a protein-DNA complex , but in the mixture, p50 associates preferentially with p65 to form the NF-GM2 complex ."}
{"DNA": [], "protein": ["p50", "protein-DNA complex", "p65", "NF-GM2 complex"], "cell type": []}